Periodic table of the elements
TinAntimonyTellurium
51
Sb
Antimony
121.760
2
8
18
18
5
51
Sb
Antimony
121.760
2
8
18
18
5
General
NameAntimony
SymbolSb
Number51
Chemical seriesMetalloids
Group / Period15 / 5
Blockp-block
CAS registry number7440-36-0

Physical properties
Statesolid
Density6.697 g/cm3
Melting point903.78 K (630.63°C, 1167.13°F)
Boiling point1860 K (1587 °C, 2889 °F)
Critical point

Atomic properties
Atomic Weight121.760 g/mol
Crystal structurerhombohedral
Electronegativity2.05
Atomic radius145 pm
Atomic radius (calculated)133 pm
Electron configuration[Kr] 4d10 5s2 5p3
Electrons per shell2, 8, 18, 18, 5
Number of protons51
Number of neutrons71

Other languages
SpanishAntimonio
PortugueseAntimónio
FrenchAntimoine
GermanAntimon
ItalianAntimonio
RussianСурьма
PolishAntymon
Chinese
Arabicإثمد
TurkishAntimon
DutchAntimoon


Periodic table of the elements
TinAntimonyTellurium